No, only if you increase the amperage of the circuit breaker. Doubling the voltage just doubles the power you can deliver over the same wire. To keep it the sam

No, only if you increase the amperage of the circuit breaker. Doubling the voltage just doubles the power you can deliver over the same wire. To keep it the same, you can actually use a thinner wire. That's part of the reason long-distance transmission lines are at many thousands of volts.